3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = json_decode(false); var_dump($a); var_dump(json_last_error());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00316.63
8.3.50.0130.00521.92
8.3.40.0120.00318.67
8.3.30.0110.00418.59
8.3.20.0080.00020.27
8.3.10.0040.00423.64
8.3.00.0040.00419.73
8.2.180.0130.00916.50
8.2.170.0070.00722.96
8.2.160.0070.00720.49
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0070.00319.21
8.2.120.0040.00426.35
8.2.110.0080.00020.46
8.2.100.0040.00817.90
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0090.00319.31
8.2.30.0080.00020.47
8.2.20.0040.00417.70
8.2.10.0000.00817.80
8.2.00.0040.00417.91
8.1.280.0150.00425.92
8.1.270.0140.00722.07
8.1.260.0000.00728.09
8.1.250.0050.00328.09
8.1.240.0090.00022.19
8.1.230.0090.00317.66
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0000.00817.39
8.1.180.0030.00618.10
8.1.170.0050.00318.54
8.1.160.0040.00420.66
8.1.150.0000.00718.82
8.1.140.0050.00319.50
8.1.130.0000.00717.66
8.1.120.0070.00017.45
8.1.110.0040.00417.32
8.1.100.0080.00017.29
8.1.90.0040.00417.35
8.1.80.0050.00317.33
8.1.70.0000.00817.29
8.1.60.0070.00017.41
8.1.50.0000.00817.31
8.1.40.0030.00517.43
8.1.30.0040.00417.54
8.1.20.0050.00317.44
8.1.10.0040.00417.46
8.1.00.0000.00817.33
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.33
8.0.270.0000.00817.18
8.0.260.0030.00317.18
8.0.250.0000.00716.79
8.0.240.0040.00416.86
8.0.230.0000.00816.88
8.0.220.0000.00716.80
8.0.210.0080.00016.75
8.0.200.0000.00716.91
8.0.190.0040.00416.88
8.0.180.0050.00216.72
8.0.170.0050.00216.77
8.0.160.0040.00416.86
8.0.150.0030.00316.67
8.0.140.0030.00616.68
8.0.130.0030.00313.15
8.0.120.0070.00016.73
8.0.110.0060.00316.88
8.0.100.0080.00016.88
8.0.90.0040.00416.88
8.0.80.0120.00616.82
8.0.70.0040.00416.80
8.0.60.0040.00416.84
8.0.50.0000.00716.84
8.0.30.0080.00917.00
8.0.20.0150.00717.40
8.0.10.0080.00016.79
8.0.00.0080.00916.63
7.4.330.0050.00016.75
7.4.320.0000.00716.55
7.4.300.0000.00616.52
7.4.290.0050.00216.50
7.4.280.0000.00816.55
7.4.270.0040.00416.43
7.4.260.0040.00416.48
7.4.250.0040.00416.36
7.4.240.0020.00516.47
7.4.230.0000.00716.26
7.4.220.0070.01116.28
7.4.210.0120.00816.32
7.4.200.0000.00716.32
7.4.160.0120.00616.36
7.4.150.0120.01317.40
7.4.140.0100.01117.86
7.4.130.0090.01216.43
7.4.120.0100.00916.29
7.4.110.0000.01816.48
7.4.100.0120.00916.32
7.4.90.0090.00916.59
7.4.80.0070.01119.39
7.4.70.0070.01016.27
7.4.60.0120.00916.34
7.4.50.0030.00916.27
7.4.40.0150.00416.42
7.4.30.0100.00616.54
7.4.00.0130.00014.85
7.3.330.0020.00212.96
7.3.320.0030.00313.11
7.3.310.0000.00716.20
7.3.300.0060.00016.12
7.3.290.0070.00716.06
7.3.280.0040.01416.14
7.3.270.0160.00417.40
7.3.260.0000.01616.45
7.3.250.0080.00916.09
7.3.240.0130.00416.14
7.3.230.0100.00716.39
7.3.210.0070.01016.30
7.3.200.0140.00416.02
7.3.190.0070.01016.27
7.3.180.0060.01116.10
7.3.170.0070.01016.27
7.3.160.0130.01016.25
7.2.330.0140.00316.26
7.2.320.0150.00316.66
7.2.310.0070.01016.32
7.2.300.0050.01116.50
7.2.290.0070.01016.20
7.2.80.0090.00316.42
7.2.60.0060.00916.79
7.1.200.0000.01015.82
7.1.100.0030.00618.19
7.1.70.0080.00016.87
7.1.60.0160.01019.50
7.1.50.0040.01516.99
7.1.00.0000.08022.51
7.0.200.0670.00314.48
7.0.60.0100.08019.91
7.0.50.0030.05317.80
7.0.40.0070.08320.20
7.0.30.0230.04720.09
7.0.20.0330.07720.04
7.0.10.0030.06319.97
7.0.00.0130.07719.99
5.6.280.0030.06321.11
5.6.210.0030.06020.49
5.6.200.0000.04318.22
5.6.190.0100.08720.46
5.6.180.0370.05720.32
5.6.170.0200.09020.49
5.6.160.0170.07720.55
5.6.150.0030.04018.15
5.6.140.0030.06318.15
5.6.130.0070.04318.12
5.6.120.0130.08020.94
5.6.110.0100.07721.12
5.6.100.0100.06021.02
5.6.90.0100.08721.12
5.6.80.0130.07020.50
5.5.350.3900.04720.45
5.5.340.0000.04317.95
5.5.330.0070.06320.40
5.5.320.0000.09020.21
5.5.310.0300.04320.21
5.5.300.0130.07717.98
5.5.290.0070.07017.95
5.5.280.0030.05720.76
5.5.270.0030.05020.78
5.5.260.0200.06020.95
5.5.250.0030.04320.79
5.5.240.0230.07320.36

preferences:
45.68 ms | 401 KiB | 5 Q